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osu-lazer/osu.Game/Beatmaps/ControlPoints/ControlPoint.cs

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// Copyright (c) ppy Pty Ltd <contact@ppy.sh>. Licensed under the MIT Licence.
// See the LICENCE file in the repository root for full licence text.
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using System;
using osu.Game.Graphics;
using osuTK.Graphics;
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namespace osu.Game.Beatmaps.ControlPoints
{
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public abstract class ControlPoint : IComparable<ControlPoint>
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{
/// <summary>
/// The time at which the control point takes effect.
/// </summary>
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public double Time => controlPointGroup?.Time ?? 0;
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private ControlPointGroup controlPointGroup;
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public void AttachGroup(ControlPointGroup pointGroup) => controlPointGroup = pointGroup;
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public int CompareTo(ControlPoint other) => Time.CompareTo(other.Time);
public virtual Color4 GetRepresentingColour(OsuColour colours) => colours.Yellow;
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/// <summary>
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/// Determines whether this <see cref="ControlPoint"/> results in a meaningful change when placed alongside another.
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/// </summary>
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/// <param name="existing">An existing control point to compare with.</param>
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/// <returns>Whether this <see cref="ControlPoint"/> is redundant when placed alongside <paramref name="existing"/>.</returns>
public abstract bool IsRedundant(ControlPoint existing);
/// <summary>
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/// Create an unbound copy of this control point.
/// </summary>
public ControlPoint CreateCopy()
{
var copy = (ControlPoint)Activator.CreateInstance(GetType());
copy.CopyFrom(this);
return copy;
}
public virtual void CopyFrom(ControlPoint other)
{
}
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}
}